TY  - BOOK
AU  - Roy,M.K and Dastidar,D Ghosh
TI  - Theory and problems in cobol programming
SN  - 0-07-460084-2
U1  - 005.133      Roy.N5 
PY  - 1995///
CY  - New Delhi
PB  - Tata-Mac graw hill publishing company ltd
ER  -